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Issue 87 - September 2021

Welcome to the September 2021 edition of Wiring Matters.

Evaluation and metrics

The design framework of IEC 60364-8-1 provides guidance on a more energy-efficient electrical installation through careful placement of electrical supplies, considered infrastructure design, controls and energy management.

Electrical Safety Standards in the Private Rented Sector

The IET’s Technical Helpline continues to be inundated with queries relating to the practicalities of implementing the Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020 (ESSPRS).

Myth Busters #7 - Out with the old, in with the new?

The introduction of the 18th Edition of the IET Wiring Regulations (BS 7671:2018) saw a new regulation buried in Section 536 Co-ordination of electrical equipment for protection, isolation, switching and control.

Back to the Forum - Current-carrying capacity of cables buried in the ground

A question that arises periodically on the IET Engineering Communities forum concerns the current-carrying capacity of cables buried in the ground, in particular, the data used to select the appropriate cross-sectional area (CSA) of live conductors.

TT earthing considerations

What is a TT earthing facility?

Downloads

Wiring Matters Issue 87 September 2021 ()
Designer's Guide To Energy Efficient Electrical Installations Wiring Matters Series ()